SUSE python-urllib3 Important Denial of Service Vuln 2026-4649

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## This update for python-urllib3 fixes the following issues: * CVE-2026-97688: denial of service due to infinite loop during chunked Deflate decoding (bsc#1283909). * CVE-2026-97689: denial of service due to unbounded memory allocation in chunk parser (bsc#1283910). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * Public Cloud Module 12 zypper in -t patch SUSE-SLE-Module-Public-Cloud-12-2026-4649 * SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-4649 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4649

## This update for python-urllib3 fixes the following issues: * CVE-2026-97688: denial of service due to infinite loop during chunked Deflate decoding (bsc#1283909). * CVE-2026-97689: denial of service due to unbounded memory allocation in chunk parser (bsc#1283910). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * Public Cloud Module 12 zypper in -t patch SUSE-SLE-Module-Public-Cloud-12-2026-4649 * SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-4649 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4649

* CVE-2026-97688 ( SUSE ): 6.9

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

* CVE-2026-97688 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2026-97688 ( NVD ): 6.9

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-97688 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2026-97689 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-97689 ( NVD ): 8.9

Announcement ID: SUSE-SU-2026:4649-1 Release Date: 2026-10-13T16:49:54Z Rating: important

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